5.4.2
Fixes:
(The qdl.jar is for people that want to update their local install manually. Generally you should use the qdl-installer for a new install or even its update mode, which also updates all the documentation in the distribution too.)
NOTE: This version of OA4MP requires that the java mail file be upgraded to 1.6.7. Get the jar at https://repo1.maven.org/maven2/com/sun/mail/jakarta.mail/1.6.7/jakarta.mail-1.6.7.jar and follow the standard instructions at https://oa4mp.org/server/configuration/server-email.html